25872380 has 12 divisors (see below), whose sum is σ = 54332040. Its totient is φ = 10348944.

The previous prime is 25872347. The next prime is 25872397. The reversal of 25872380 is 8327852.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25872380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646790 + ... + 646829.

It is an arithmetic number, because the mean of its divisors is an integer number (4527670).

Almost surely, 2^25872380 is an apocalyptic number.

25872380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25872380 is an abundant number, since it is smaller than the sum of its proper divisors (28459660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25872380 is a wasteful number, since it uses less digits than its factorization.

25872380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293628 (or 1293626 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25872380 is about 5086.4899488744. The cubic root of 25872380 is about 295.7641016773.

The spelling of 25872380 in words is "twenty-five million, eight hundred seventy-two thousand, three hundred eighty".